Chemical Page
Hydrogen Gas
[et_pb_section fb_built=”1″ admin_label=”section” _builder_version=”3.0.47″][et_pb_row _builder_version=”3.0.51″][et_pb_column type=”4_4″ _builder_version=”3.0.51″ parallax=”off” parallax_method=”on”][et_pb_image src=”https://safe.engineering.asu.edu/wp-content/uploads/sites/77/2023/10/hydrogen.jpg” _builder_version=”3.0.51″][/et_pb_image][/et_pb_column][/et_pb_row][et_pb_row admin_label=”row” _builder_version=”3.0.47″ background_size=”initial” background_position=”top_left” background_repeat=”repeat”][et_pb_column type=”1_2″ _builder_version=”3.0.47″ parallax=”off” parallax_method=”on”][et_pb_blurb title=”What are the hazards of hydrogen gas?” admin_label=”Blurb” _builder_version=”3.0.51″ header_font=”|on|||” header_font_size=”20px”] Hydrogen gas (CAS# 1333-74-0) is not toxic to breathe, although it can function as an asphyxiant if it displaces enough breathable air. Hydrogen gas…
HF Acid, Ammonium Bifluoride, and Other Soluble Fluorides
[et_pb_section fb_built=”1″ admin_label=”section” _builder_version=”3.0.47″][et_pb_row admin_label=”row” _builder_version=”3.0.47″ background_size=”initial” background_position=”top_left” background_repeat=”repeat”][et_pb_column type=”1_2″ _builder_version=”3.0.47″ parallax=”off” parallax_method=”on”][et_pb_blurb title=”I’ve worked with corrosives before. What makes HF and other fluorides special?” admin_label=”Blurb” _builder_version=”3.0.51″ header_font=”|on|||” header_font_size=”20px”] The chemicals below, and related soluble fluoride salts, release fluoride ions (F-): ammonium fluoride (CAS# 12125-01-8) ammonium bifluoride (CAS# 1341-49-7) hydrofluoric acid (CAS# 7664-39-3) potassium bifluoride…
Dimethyl Sulfoxide (DMSO)
[et_pb_section fb_built=”1″ admin_label=”section” _builder_version=”3.0.47″][et_pb_row _builder_version=”3.0.51″][et_pb_column type=”4_4″ _builder_version=”3.0.51″ parallax=”off” parallax_method=”on”][et_pb_image src=”https://safe.engineering.asu.edu/wp-content/uploads/sites/77/2023/10/dmso.jpg” _builder_version=”3.0.51″][/et_pb_image][/et_pb_column][/et_pb_row][et_pb_row admin_label=”row” _builder_version=”3.0.47″ background_size=”initial” background_position=”top_left” background_repeat=”repeat”][et_pb_column type=”1_2″ _builder_version=”3.0.47″ parallax=”off” parallax_method=”on”][et_pb_blurb title=”DMSO is the classic polar aprotic solvent. It’s used in lots of known reactions. Why should I worry?” admin_label=”Blurb” _builder_version=”3.0.51″ header_font=”|on|||” header_font_size=”20px”] DMSO decomposes with heating, and the decomposition products catalyze further decomposition, resulting in…
Thiols, Mercaptans, and Other Stench Chemicals
[et_pb_section fb_built=”1″ admin_label=”section” _builder_version=”3.0.47″][et_pb_row admin_label=”row” _builder_version=”3.0.47″ background_size=”initial” background_position=”top_left” background_repeat=”repeat”][et_pb_column type=”1_2″ _builder_version=”3.0.51″ parallax=”off” parallax_method=”on”][et_pb_blurb title=”What is a stench chemical?” _builder_version=”3.0.51″ header_font=”|on|||” header_font_size=”20px”] Stench chemicals have an extremely foul smell that is detectable by the human nose in parts-per-billion amounts, depending on the compound. While the stench may not be known to have toxic effects, it can…
Chloroform, Dichloromethane, and Other Halogenated Organic Compounds
[et_pb_section fb_built=”1″ admin_label=”section” _builder_version=”3.0.47″][et_pb_row make_fullwidth=”on” _builder_version=”3.0.51″][et_pb_column type=”4_4″ _builder_version=”3.0.51″ parallax=”off” parallax_method=”on”][et_pb_image src=”https://safe.engineering.asu.edu/wp-content/uploads/sites/77/2023/10/halogenated-organics1-scaled-1.jpg” _builder_version=”3.0.51″][/et_pb_image][/et_pb_column][/et_pb_row][et_pb_row admin_label=”row” _builder_version=”3.0.47″ background_size=”initial” background_position=”top_left” background_repeat=”repeat”][et_pb_column type=”1_2″ _builder_version=”3.0.47″ parallax=”off” parallax_method=”on”][et_pb_blurb title=”Chloroform is a common solvent, starting with NMR samples in sophomore-level chemistry. Why should I worry?” admin_label=”Blurb” _builder_version=”3.0.51″ header_font=”|on|||” header_font_size=”20px”] Chloroform, dichloromethane, and many other halogenated organic compounds readily pass through nitrile gloves. This…
Anesthetic Gases
[et_pb_section fb_built=”1″ admin_label=”section” _builder_version=”3.0.47″][et_pb_row admin_label=”row” _builder_version=”3.0.47″ background_size=”initial” background_position=”top_left” background_repeat=”repeat”][et_pb_column type=”1_2″ _builder_version=”3.0.47″ parallax=”off” parallax_method=”on”][et_pb_blurb title=”Anesthetic Gases” admin_label=”Blurb” _builder_version=”3.0.51″ header_font=”|on|||” header_font_size=”20″] Long-term expsosure to these gases can cause serious health effects. Acute exposures can cause loss of consciousness in the lab. Nitrous Oxide, and halogenated anesthetic gases such as: enflurane (CAS# 13838-16-9) desflurane (CAS# 57041-67-5) halothane (CAS#…